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Hi All, My car is having problem at higher revs ( i bought the car as a project from someone else.) It idles fine but it stalls out at anything above idle. I took it to a tuner who said it might be the injector drivers going bad? Anyway, I cracked it open and found http://imgur.com/a/USFd8 this (theres a cartoon in the album) It looks faintly like the http://www.diyautotune.com/tech_articles/common_megasquirt_modifications.htm#Add_Output_v3 "Adding an relay control circuit to the megasquirt PCB-3" (middle section of the article) but it connects to the voltage regulator (U5) and there isn't a JS3 output connection wire from the resistor. My question is this: What is the purpose of this setup? Is the wiring right? Is a bad voltage regulator (U5) possible for the engine problems I'm facing? PS: I made a MS2 v3 and also tried to plug it in according to the http://www.diyautotune.com/tech_articles/how_to_megasquirt_your_280zx_turbo.htm writeup. But It wouldn't even start. so I have a feeling this setup does something more than just control a relay. PSS: Car is a 280z with a 1982 engine/distro Thanks All in Advance.